Pneumatic foot for artificial limbs



Aug. 9, 1938.

L. A. MORRIS PNEUMATIC FOUT FOR ARTIFICIAL LIMBS Filed Jan.,19, 1937.

, ATTORNEY ed with a separable fastener for opening and closing the slot.

2. An artificial foot and ankle construction including a leg portion, a casing shaped to simulate a human foot having heel, instep and toe portions and provided with a chamber extending into said toe, instep and heel portions, said heel portion having thickened portions providing a slot extending into the chamber to permit opening of the latter by the flexing ofi. said thickened portions away from each other, an inflatable inner tube in said chamber and insertible and removable therefrom by way of the slot, and means connecting the casing to the leg portion.

15 3. An artificial foot and ankle construction including a. leg portion, a casing shaped to simulate a. human foot having heel, instep and toe portions and provided with a chamber extending into said toe, instep and heel portions. said heel portion having thickened portions providing a slot extending into the chamber to permit opening of the latter by the exlng of said thickened portions away from each other, an inflatable inner tube in said chamber and insertible and removable therefrom by way of the slot, oppositely disposed hinges connecting sad leg portion and the casing. and oppositely disposed elastic strips connecting the leg portion and the casing.

LONNIS AUSTIN MORRIS. 

